423657673 has 8 divisors (see below), whose sum is σ = 433921536. Its totient is φ = 413478000.

The previous prime is 423657653. The next prime is 423657691. The reversal of 423657673 is 376756324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423657673 - 2¹³ = 423649481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423657613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10803 + ... + 31048.

It is an arithmetic number, because the mean of its divisors is an integer number (54240192).

Almost surely, 2^423657673 is an apocalyptic number.

It is an amenable number.

423657673 is a deficient number, since it is larger than the sum of its proper divisors (10263863).

423657673 is a wasteful number, since it uses less digits than its factorization.

423657673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42095.

The product of its digits is 635040, while the sum is 43.

The square root of 423657673 is about 20582.9461690983. The cubic root of 423657673 is about 751.0549143268.

The spelling of 423657673 in words is "four hundred twenty-three million, six hundred fifty-seven thousand, six hundred seventy-three".